# A108281 (b-file synthesized from sequence entry)
1 0
2 15
3 2926
4 567645
5 110120220
6 21362755051
7 4144264359690
8 803965923024825
9 155965244802456376
10 30256453525753512135
11 5869596018751378897830
12 1138671371184241752666901
13 220896376413724148638480980